PGA900: PGA900

Ihab Alsheikh

Part Number: PGA900
Other Parts Discussed in Thread: USB2ANY,

Hi

Should I have 7.5 V on my own board to program OTP as pga900EVM?

Is there any schematic for connecting USB2ANY to my board in programming mode?

Best Regards

over 4 years ago

0 Alexander Smith over 4 years ago

TI__Guru 55152 points

Hi Ihab,

Thank you for your question. Many of our engineers are taking vacation due to the Christmas holiday in the US. Once they return from the holiday, they will address your question. I apologize for any inconvenience this causes.

0 Scott Cummins over 4 years ago

TI__Mastermind 31655 points

Hello Ihab,

Generally a production board would not include a 7.5V source for the PGA900 programming voltage unless it was also being used for some other purpose on the board. You will need some way to apply the 7.5V for programming, whether it's a pad or test point, but the 7.5V is usually generated outside of the production board.

Connecting the USB2ANY to your production board depends on what communication protocol you are using for programming. If you are programming the OTP through I2C or SPI, you can connect the corresponding USB2ANY pins to your board with the help of the USB2ANY user's guide:

Regards,

0 Ihab Alsheikh over 4 years ago in reply to Scott Cummins

Intellectual 255 points

Hi Scott,

Thanks to your answer.

the first part is fine but i 'm still confused for the second question

Is There any missing pin for programming the OTP through SPI in the next figure?

Best Regards

0 Scott Cummins over 4 years ago in reply to Ihab Alsheikh

TI__Mastermind 31655 points

Hi Ihab,

Can you please resubmit your picture? It doesn't seem to show up in your post. Please upload through the "Insert/Edit Media" button on the post editing toolbar.

Regards,

0 Ihab Alsheikh over 4 years ago in reply to Scott Cummins

Intellectual 255 points

Hi Scott,

I re uploaded the picture in the image

Sorry for this error

Regards,

0 Scott Cummins over 4 years ago in reply to Ihab Alsheikh

TI__Mastermind 31655 points

Hi Ihab,

The USB2ANY does not include an OTP programming voltage source. That is something that is either provided at the time of programming external to the production board, or in the case of the EVM, there is a jumper (J15) that applies the onboard 7.5 V supply to the VP_OTP pin.

0 Ihab Alsheikh over 4 years ago in reply to Scott Cummins

Intellectual 255 points

Hi Scott,

It is clear that I should have a 7.5 supply to the VP_OTP pin.
But is there any pin to connect between USB2ANY (J4)

and pga900 to use USB2ANY as a parallel programmer?

In my Previous boards I used to connect reset pin to the programmer!

Regards

0 Scott Cummins over 4 years ago in reply to Ihab Alsheikh

TI__Mastermind 31655 points

Hi Ihab,

If you are using the USB2ANY to program through SPI or I2C, then there is no additional pin needed. You put the microcontroller in reset through a register right in the digital interface, and there is no dedicated pin on the PGA900 for that function.

Regards,

0 Ihab Alsheikh over 4 years ago in reply to Scott Cummins

Intellectual 255 points

Hi Scott

Thanks for your reply and patience

Best Regards ,

Ihab

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